Daze filed his personal income tax for $2020$ on May $4,2021.$ He did not have any reasonable cause for delinquent tax filing. He also inadvertently left out his bonus income $$20,000$ from reporting on his tax return. His tax return without such bonus income shows $$100,000$ gross income

$(1)$ The IRS initiated its audit on Daze$$s $2020$ tax return on June $3,2024.$ Does the IRS have authority to audit and possibly litigate Daze$$s tax return on the omission of the bonus income?

$(2)$ Answer only one of the following two.

i$.$ If so$,$ why?

ii$.$ If not, is there any circumstance under which the IRS would be authorized to conduct an audit?